10 Air vortex

Aufgabenstellung

Place a small rod-shaped magnet on the bottom of a vessel filled with liquid and set it into rotation using a magnetic stirrer. Above a certain rotation speed, a thin air channel forms, extending from the liquid surface down to the rotating magnet itself. Investigate and explain this phenomenon.

Leitfragen

... folgen bald.

Titelbild

untitled by Chen, licensed under Pixabay License